Astronomy

fehiepsi (Vietnam)
47 words 49 learners

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Full list of words from this list:

words only definitions & notes
  1. astrophysics
    the study of the properties of celestial bodies
  2. attraction
    the quality of arousing interest
  3. acid
    a sour water-soluble compound with a pH of less than 7
  4. additive
    characterized or produced by addition
  5. astrology
    divination by the positions of the planets and sun and moon
  6. axis
    a straight line through a body or figure
  7. comet
    a small frozen mass that travels around the sun
  8. cosmological
    pertaining to the branch of philosophy dealing with the elements and laws and especially the characteristics of the universe such as space and time and causality
  9. constellation
    a configuration of stars as seen from the earth
  10. cosmos
    the universe considered as a whole
  11. crater
    a bowl-shaped geological formation at the top of a volcano
  12. catalyst
    substance that initiates or accelerates a chemical reaction
  13. compress
    squeeze or push together
  14. convection
    transfer of heat caused by molecular motion in liquid or gas
  15. density
    the amount per unit size
  16. deposit
    the act of putting something somewhere
  17. dilute
    lessen the strength or flavor of a solution or mixture
  18. dioxide
    an oxide containing two atoms of oxygen in the molecule
  19. eclipse
    the phenomenon when one celestial body obscures another
  20. evaporation
    the process of becoming a suspension of particles in the air
  21. fission
    reproduction of a unicellular organism by cell division
  22. fusion
    the act of melding or melting together
  23. galaxy
    a collection of star systems
  24. gravitation
    the force of attraction between all masses in the universe
  25. insoluble
    incapable of being dissolved
  26. impact
    the striking of one body against another
  27. Jupiter
    supreme god of Romans; counterpart of Greek Zeus
  28. liquefaction
    the conversion of a solid or a gas into a liquid
  29. Mars
    Roman god of war and agriculture
  30. Mercury
    messenger of Jupiter and god of commerce
  31. meteor
    a small, solid space object that has entered Earth's atmosphere
  32. molecule
    the simplest structural unit of an element or compound
  33. Neptune
    a giant planet with a ring of ice particles
  34. Pluto
    the god of the underworld in ancient mythology
  35. Saturn
    god of agriculture and vegetation
  36. Venus
    the second nearest planet to the sun
  37. nebular
    of or relating to or resembling a nebula
  38. nitrogen
    a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  39. observatory
    a building equipped to view astronomical phenomena
  40. orbit
    the path of a celestial body in its revolution about another
  41. planet
    a celestial body that revolves around the sun
  42. repulsion
    the act of successfully defending against an attack
  43. radiation
    the act of spreading outward from a central source
  44. rotation
    the act of turning as if on an axis
  45. revolution
    a single complete turn
  46. saturation
    the process of totally infusing something with a substance
  47. fossil
    the remains of a plant or animal from a past geological age
Created on Sat Nov 10 11:30:21 EST 2012

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